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Articles by Uwe Keim
INNER JOIN ON vs WHERE clause
For simplicity, assume all relevant fields are NOT NULL. You can do: SELECT table1.this, table2.that, table2.somethingelse FROM table1, table2 WHERE table1.foreignkey = table2.primarykey AND (some other conditions) Or else: SELECT table1.this, table2.that, table2.somethingelse FROM table1 INNER JOIN table2 ON table1.foreignkey = table2.primarykey WHERE (some other conditions) Do these two work on the same way in MySQL? asked Jun 19, 2009 at 16:16 INNER JOIN is ANSI syntax that you should use.
Zeta Long Paths - CodeProject
A .NET library to access files and directories with more than 260 characters length Please Sign up or sign in to vote. This article describes a library that provides several classes and functions to perform basic functions on file paths and folder paths that are longer than the " " limit of 260 characters. All .NET functions I came across that access the file system are limited to file paths and folder paths with less than 260 characters.
Anonymous classes and LINQ select query
Anonymous class has read only properties in c#. Which is often used to to declare in linq select query to get particular values from database. In my code I have the following query.The thing that confused me selecting new object of anonymous class using new statement. I had a model class of . When I Use model name the query result allow editing. When I did not mention type after in statement I am unable to exit. compiler raise an error . enonymous object is read only.
How to take a shadowless screenshot on Windows 10?
Using + on the keyboard, a screenshot of the currently active window is copied to the clipboard. Unfortunately, on Windows 10 this also takes the area of the window's shadow into the screenshot: As you can see, above image is a screenshot of the "Run" dialog box which also has the background of the shadow areas left, right and bottom shine through. This is what I would expect: Above image is manually modified and omits the shadow areas, showing only the actual window area.
Locking mechanism is needed for static functions?
I have been informed that "static functions" must not be used generously in this context and they should be applied, a "locking" mechanism since without lock, multiple threads of a single instance of program or multiple instances of a program, both can behave unexpectedly. Is it true? Let's break it piece by piece. What is a static class? A static class is basically the same as a non-static class, but there is one difference: a static class cannot be instantiated.
Pass string if the parameter value is null
I need to pass multiple parameters in a function. My requirement is the parameter value should not be NULL. If the parameter is NULL pass "TBD" instead. How can I do this? Can I do this using ternery operator, how.
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